Don't instantaite when typechecking a pattern synonym
authorSimon Peyton Jones <simonpj@microsoft.com>
Mon, 24 Oct 2016 15:59:03 +0000 (16:59 +0100)
committerSimon Peyton Jones <simonpj@microsoft.com>
Mon, 24 Oct 2016 15:59:03 +0000 (16:59 +0100)
commit1221f8104bb5123c18bd5b840cde9ab2e71247d5
tree545bc0f96a2e4e3c6f0512f73ef8a1c43adcbfda
parent1c4a39d3a8d36803382792ff78b4709794358883
Don't instantaite when typechecking a pattern synonym

Fixes most of the cases in Trac #12762
compiler/typecheck/TcPatSyn.hs